NWS Forecast Office Houston/Galveston, TX

Click a location below for detailed forecast.

Last Map Update: Sat, Aug 22, 2026 at 5:48:26 am CDT

Watches, Warnings & Advisories

National Weather Service Fort Worth/Dallas, TX

National Weather Service Austin/San Antonio, TX

Zoom Out

National Weather Service Lake Charles, LA

National Weather Service Corpus Christi, TX

National Weather Service Brownsville/Rio Grande Valley, TX

National Weather Service National Weather Service

Heat Advisory

Radar

Heat Advisory

Saturday’s Outlook

Saturday Night's Outlook

The Outlook Ahead

Partial Lunar Eclipse

KHGX Radar.

A Heat Advisory remains in effect for peak heat index readings between 106°-112°F until 7 PM Sunday. This advisory may need to be extended into early next week.

Hot and humid with light to moderate south to southwest winds. Isolated thunderstorms are possible in the afternoon, primarily north of Interstate 10. Daytime highs inland from 99°F to 104°F with the beaches from 93°F to 98°F. The heat indices are anticipated between 106°F to 112°F.

Warm conditions to continue with light southwest winds and lows in the mid 70s to lower 80s.

Hot and humid conditions continue with high temperatures mostly in the 90s to triple digits. Max Heat indices are expected to reach 100-113 degrees. Isolated to scattered showers and storms are possible this weekend, with the best chances north of I-10. Please practice heat safety by checking on the elderly, children, and pets, staying cool and hydrated, and wearing light-weight, light-colored clothing.

Save the date for the Partial Lunar Eclipse, happening on August 27-28! You will be able to view the eclipse right here in SE TX with your own eyes, no eclipse glasses needed :) Look for the bright and shadowed parts of the moon, along with a copper/orange tint 🌕🌖🌗🌘

Current Weather Observations...

Location	Time (CDT)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Bryan	04:55	Clear	10	81	72	74	SSW 5	-	30.04
College Station	04:53	Clear	10	78	72	81	S 3	-	30.01
Caldwell	04:55	Clear	10	78	71	78	SSW 5	-	30.03
Huntsville	04:53	Clear	10	80	75	84	SW 6	-	30.01
Navasota	05:15	Clear	10	77	77	100	CALM	-	30.00
Brenham	05:15	Clear	10	78	76	91	SW 5	-	30.01
Conroe	04:53	Clear	10	81	77	87	W 3	-	30.01
Cleveland	05:15	Clear	10				CALM	-	30.02
Liberty	05:15	Clear	8	77	77	100	CALM	-	30.00
Columbus	05:15	Overcast	7	77	77	98	CALM	-	30.03
Spring	04:53	Mostly Clear	7	79	77	93	CALM	-	30.01
Houston Intercontinental Aprt	04:53	Mostly Clear	7	83	78	85	SW 7	93 [HI]	30.00
Katy/Brookshire	05:15	Mist	6	80	80	100	WSW 7	-	30.03
Texas Medical Center Heliport	05:15	Mostly Clear	8	80	78	94	W 8	-	30.00
Sugar Land	04:53	Overcast	10	79	78	97	SSW 5	-	30.00
Houston Hobby Airport	04:53	Mostly Clear	7	80	78	93	SSW 5	-	30.00
Arcola/Sienna	05:15	Mist	5	78	77	95	CALM	-	30.02
Pearland	04:53	Clear	8	79	77	93	CALM	-	30.02
Ellington Field	04:54	Mostly Clear	8	80	78	94	SSW 5	-	29.99
La Porte	05:15	Clear	10	80	77	88	WSW 6	-	30.01
Wharton	04:20						CALM	-
Angleton/Lake Jackson	04:53	Mist	6	77	76	96	CALM	-	30.01
Galveston	04:52	Clear	10	83	79	87	SW 6	94 [HI]	30.01
Bay City	05:15	Clear	8	77	77	100	CALM	-	29.98
Palacios	04:53		10	84	78	82	SSW 10	95 [HI]	30.00
Rig 20 Miles SE of Matagorda	05:20		10	84	80	88	SSW 15	97 [HI]	30.05

Select another Date: